How to build a cryptocurrency mining rig

Cryptocurrency mining uses a computer or computers to validate transactions on a blockchain. Technically, these computers solve cryptographic equations and record data in a digital ledger. The more computers solve equations, the faster the blockchain can validate transactions.

When miners verify the hashes of unconfirmed blocks, they receive a reward for each verified hash. Mining can be energy and computationally intensive, requiring specialized hardware and crypto mining software.

Some of the most mined (and profitable) cryptocurrencies include Bitcoin (BTC), Monero (XMR), Ravencoin (RVN), and Dogecoin (DOGE). Ether (ETH) used to be part of this list, but Ethereum recently switched to a Proof-of-Stake (PoS) consensus algorithm, meaning ETH can no longer be mined.

Understanding cryptocurrency mining is crucial for those looking to invest in cryptocurrencies. Finally, miners play a crucial role in ensuring the security and decentralization of blockchains. Cryptocurrency mining is a process that requires the use of specialized crypto mining hardware, software, and a mining pool. The process can be difficult to understand and set up without proper guidance, so here are some key details to get you started.

What is a cryptocurrency mining rig and how does it work?

A mining rig is a custom designed personal computer (PC) that contains all standard PC components: CPU, motherboard, RAM and storage. The main difference is that mining rigs use graphical processing units (GPUs) instead of central processing units (CPUs).

GPUs are better at solving the cryptographic equations needed to verify transactions on a blockchain. A single high-end GPU can outperform a standard CPU by up to 800x in terms of instructions per clock. This makes them indispensable for anyone looking to mine cryptocurrencies.

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GPUs also have much higher hash rates and are easier to maintain, making them a popular choice among miners. Hash rate is a measure of how fast a computer can solve cryptographic equations and is used to determine mining profitability.

Another key difference is that mining rigs often come with multiple GPUs. This is necessary because the more GPUs a rig has, the higher the hash rate will be. Cryptocurrency mining rigs use GPUs to verify transactions on a blockchain.

It’s also worth noting that not all miners use GPUs. In some cases, such as For example, in bitcoin mining, miners may prefer to use an application-specific integrated circuit (ASIC) instead.

Some things to consider when building a mining rig are:

  • Equipment Cost: GPUs and ASICs can be expensive, so it’s important to consider the prices for all the equipment required.
  • Electricity Costs: Cryptocurrency mining is an energy-intensive process, so it’s important to consider electricity costs.
  • Trial and Error: Building a mining rig isn’t like building a custom PC; It can be a trial and error process that requires a lot of tweaking and adjustments.

What components are needed to build a mining rig?

Several key components are required to build a mining rig. These include:


As mentioned earlier, GPUs are the crucial component of any mining rig. The number of GPUs you need depends on the hash rate you want to achieve. But for someone just starting out, one or two GPUs should be enough.

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ASICs are specialized machines designed specifically for cryptocurrency mining. They usually have a higher price than GPUs but offer much higher hash rates.

A Bitmain Antminer Bitcoin Miner S19 Pro


The motherboard is the backbone of any computer, and a mining rig is no different. It must be able to support all GPUs used in the rig.

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The ASUS PRIME Z370-A motherboard


Some beginners choose to mine only with CPUs, which is also possible. However, they must be high-end and meet the demands of mining. When using GPUs for mining, a basic rig only needs a low-end or moderate CPU, such as a GPU. B. an 8th or 9th generation Intel.

An Intel Core i5-9400 processor


Random Access Memory (RAM) is essential for any computer as it is used to temporarily store data while the computer is running. It is important for a mining rig to have enough RAM to store the data of all GPUs used in the rig.

power adapter

The power supply unit (PSU) is one of the most important components in a mining rig. This is because the power supply needs to be able to provide enough power to all rig components. A good rule of thumb is to buy a power supply that will provide at least double the power your rig requires. Typically, a PSU with a 1200W platinum rating will work well.

A Straight Power 11 Platinum 1200W


As with any other computer, a mining rig also requires some storage space. This can be in the form of a hard drive or an SSD. The storage size depends on how much data you plan to mine. Typically, any 240GB or larger drive should do.

A Samsung 860 EVO SATA 2.5 SSD 250GB

Other requirements

Aside from the hardware components listed above, there are a few other things needed to build a mining rig. These include:

  • mining software such as CGMiner, EasyMiner or BFGMiner;
  • An operating system such as Awesome Miner, Rave OS or Hive OS;
  • A crypto wallet to store your mined coins;
  • A riser to elevate your GPU for increased airflow;
  • A stable internet connection; and
  • A flash drive with at least 5 GB capacity.

How to build a mining rig: For beginners

Now that we’ve discussed the components required to build a crypto mining rig, it’s time to put one together. Below is a quick step-by-step guide:

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Step 1: Attach the motherboard

Make sure the lever that secures the CPU socket is in the unlocked position. Next, place the motherboard outside of the mining frame on something that will keep it static-free—like a foam box or anti-static bag.

Step 2: Attach the processor

Attach the processor to the motherboard. Make a mark on both the CPU and motherboard sockets to later identify which socket is which. Also, be careful when attaching the CPU pins to the motherboard as they can easily bend and damage the entire processor.

Step 3: Install RAM

Inserting a RAM module into a motherboard RAM socket is very simple. Carefully slide the RAM module into the RAM socket after opening the side latches of the motherboard slot. Memory must be installed in the correct orientation and care must be taken as memory may only snap into the socket one way.

Step 4: Attaching the power supply

Make sure the power supply is securely attached to the motherboard; If not, the mining rig will not start. The CPU’s 8-pin power connector should go into the motherboard slot closest to the processor.

Step 5: Attach USB Riser

These are required to connect the GPUs to the mainboard. Plug them into the available PCI slots on the motherboard.

Step 6: Attach GPUs

Secure the GPUs to the frame with USB risers. Then connect the PCI-e 6+2 power connectors to the GPUs. Finally, double check that all cables are properly plugged in before booting up the mining rig. Once everything is connected, it can start mining for cryptocurrency.

Is Crypto Mining Still Profitable?

Now that Ethereum has stopped mining alongside moving to a PoS mechanism, can Ethereum still be profitable? The answer is yes – depending on a variety of factors.

Mining profitability varies from cryptocurrency to cryptocurrency. For example, Bitcoin mining is still very profitable while Ethereum mining has become much less. Another factor to consider is the price of a cryptocurrency. When the price of a coin increases, mining that coin becomes more profitable and vice versa. Cryptocurrency mining can still be a profitable endeavor, but it’s important to do your research before you start.

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